Below please find links to archived Q&A discussion for the Make a Website: CSS Styling course.
Exercise 1.1: Preview
Exercise 1.2: Navigation
Exercise 1.3: Jumbotron
Exercise 1.4: Jumbotron: Heading
Exercise 1.5: Jumbotron: Paragraph
Exercise 1.6: Jumbotron: Fonts
Exercise 1.7: Learn More
Exercise 1.8: Learn More: Heading
Exercise 1.9: Learn More: Link
Exercise 1.10: Congratulations!